package ksx.struts.hello;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;

public final class HelloForm extends ActionForm {
	private static final long serialVersionUID = 1L;
	private String userName = null;

	public String getUserName() {
		return (this.userName);
	}

	public void setUserName(String userName) {
		this.userName = userName;
	}

	/**
	 * Reset all properties to their default values.
	 */
	public void reset(ActionMapping mapping, HttpServletRequest request) {
		this.userName = null;
	}

	/**
	 * Validate the properties posted in this request. If validation errors are
	 * found, return an <code>ActionErrors</code> object containing the errors.
	 * If no validation errors occur, return <code>null</code> or an empty
	 * <code>ActionErrors</code> object.
	 */
	public ActionErrors validate(ActionMapping mapping,
			HttpServletRequest request) {

		ActionErrors errors = new ActionErrors();

		if ((userName == null) || (userName.length() < 1))
			errors
					.add("username", new ActionMessage(
							"hello.no.username.error"));

		return errors;
	}
}
